Self-adhesive brown envelopes NC Koperty 25 pieces

Pack of 25 self-adhesive brown envelopes from NC Koperty, suitable for mailing, document storage and everyday office use. These envelopes have a pressure-sensitive adhesive strip that seals securely without water or licking, providing a convenient and time-saving way to close envelopes. The natural brown colour and standard envelope shape make them appropriate for invoices, letters, internal document circulation and general correspondence where a simple, durable envelope is required.

Advantages

The self-adhesive closure ensures quick and reliable sealing with no need for additional tape or glue, reducing handling time. The pack contains 25 envelopes, offering a practical quantity for regular office or home use. The brown kraft material provides basic protection for contents while maintaining a neutral, professional appearance. Lightweight construction keeps postage costs low and the plain surface accepts printing, handwriting and labels easily.

Suitable for

• Mailing invoices and business correspondence
• Storing and transporting internal documents
• Filing and archiving paperwork
• Sending promotional flyers or single-sheet mailings

Key specifications

• Quantity: 25 envelopes per pack
• Closure type: pressure-sensitive self-adhesive strip
• Colour: brown (kraft)
• Material: paper (kraft-style)
• Shape: standard envelope format suitable for single sheets and folded documents
• Surface: writable and printable by inkjet/laser-compatible labels and hand writing

How to use

Insert the document or item into the envelope, align contents to avoid bulging, then remove the protective liner from the adhesive strip and press the flap firmly to ensure full contact along the sealing edge. Allow a few seconds for the adhesive to set before stacking or mailing. For thicker contents, ensure the envelope flap closes without excessive strain to prevent tearing. The envelopes can be written on directly or labelled as needed for addressing and tracking.

Usage recommendations

For best results, store envelopes in a dry place away from direct sunlight to preserve adhesive performance. When mailing important documents, pair with appropriate postage and consider additional protection such as cardboard backing for fragile or wrinkle-sensitive materials.